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我在andengine上製作遊戲。一輛汽車從下往上(在馬路對面),許多汽車正在通過馬路。我想通過觸摸和摧毀其他車輛來保存單車。我可以得到碰撞。但是當我觸碰並摧毀其他車輛時,在破壞兩三輛車後,我得到一個異常ArrayOutOfBound。可能是什麼問題?在此先感謝意外的arrayIndexOutofBound在使用Andengine的遊戲中發生異常
Iterator<Sprite> targets;
public void addTarget() {
Random rand = new Random();
int x = (int) mCamera.getWidth() + mTargetTextureRegion.getWidth();
int minY = mTargetTextureRegion.getHeight();
int maxY = (int) (mCamera.getHeight() - mTargetTextureRegion
.getHeight());
int rangeY = maxY - minY;
int y = rand.nextInt(rangeY) + minY;
Sprite target = new Sprite(x, y, mTargetTextureRegion.deepCopy()) {
@Override
public boolean onAreaTouched(final TouchEvent pSceneTouchEvent,
float pTouchAreaLocalX, final float pTouchAreaLocalY) {
System.out.println("Touched");
removeSprite(this, targets);
count--;
return mChildrenIgnoreUpdate;
}
};
mMainScene.registerTouchArea(target);
mMainScene.setTouchAreaBindingEnabled(true);
mMainScene.attachChild(target);
int minDuration = 10;
int maxDuration = 20;
int rangeDuration = maxDuration - minDuration;
int actualDuration = rand.nextInt(rangeDuration) + minDuration;
MoveXModifier mod = new MoveXModifier(actualDuration, target.getX(),
-target.getWidth());
target.registerEntityModifier(mod.deepCopy());
TargetsToBeAdded.add(target);
}
public void removeSprite(final Sprite _sprite, Iterator it) {
runOnUpdateThread(new Runnable() {
@Override
public void run() {
mMainScene.detachChild(_sprite);
}
});
it.remove();
}
private void createSpriteSpawnTimeHandler() {
if (count <= 2) {
TimerHandler spriteTimerHandler;
float mEffectSpawnDelay = 1f;
spriteTimerHandler = new TimerHandler(mEffectSpawnDelay, true,
new ITimerCallback() {
@Override
public void onTimePassed(TimerHandler pTimerHandler) {
count++;
addTarget();
}
});
getEngine().registerUpdateHandler(spriteTimerHandler);
}
}
IUpdateHandler detect = new IUpdateHandler() {
@Override
public void reset() {
}
@Override
public void onUpdate(float pSecondsElapsed) {
targets = targetLL.iterator();
Sprite _target;
while (targets.hasNext()) {
_target = targets.next();
if (_target.getX() <= -_target.getWidth()) {
removeSprite(_target, targets);
}
if (_target.collidesWith(player)) {
System.out.println("Collission occured");
// break;
}
}
targetLL.addAll(TargetsToBeAdded);
TargetsToBeAdded.clear();
}
};